Pin element



FIG. 1 is a perspective view of a pin element showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a third perspective view thereof;

FIG. 5 is a fourth perspective view thereof;

FIG. 6 is a fifth perspective view thereof;

FIG. 7 is a sixth perspective view thereof; and,

FIG. 8 is a seventh perspective view thereof.

CLAIM The ornamental design for a pin element, as shown and described.